???? ??????? ???? ????

???? ?????? ??????? ???? ????? ????? ??? paratungstate ??????? (APT) ???? calcination, APT ???? ????? ??? ????? ????? ??????, ??? ????? ?????? ????? ??????? ?? ???. ?????, ?????? ??????? ???? ???? ????? ?? ??? ???? ???? ????? ??????? ??????? (WO ₃ ), ??? ?????? ??? ?? ???? ??? ?? APT ???? ????? ???; ????? ???? ?? ??????? ??? ??? ???? ??????? ??? ?????? ???? ?? ????? ?????? ??????? ???? O: W = 2.82; ???? ????? ?????? ????? ???? BTO ?? ???? ????? ?? WO _2.90 .

???? ?? paratungstate ??????? ?????? ?????? ??????? ???? ???? ??????? ????? ???? ?? ?????? ?? APT ???? ????? ?????:
1.APT ???? ??? ??? ??????? ?????????? ?? 90-180 ℃;
2.????? ?????????? ?? 180-260 ℃, ?????? ???? ?????? ?? paratungstate ??????? ??? ????? metatungstate ?????? (AMT) ??? ???? ???? ????? ????? ????? ???? paratungstate ??????? ???? ?????? ????, ??? ????? ????? ????? ?? ????????? ???;
3.AMT ?????? ?????? ?????????? ????? ?? 260-350 ℃, ????? ???? ?? ???????? ??? ??????? ??? ?????? ??????? ????, ???, ?????? ?????? ?????? ?????? ??????? ??????? (ATB).
????? ?????? ???? ???? ???? ???? ???: APT → AMT → ???? ?????? ???????.

?? ?? ?? ????? ???? ?????? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.

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